*1995 competed as a Featherweight at World Championships in Berlin, Germany. His result was:

*1995 competed as a Featherweight at World Championships in Berlin, Germany. His result was:

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**Lost to [[Raimkul Malachbekov]] (Russia) points

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**Lost to [[Raimkul Malakhbekov]] (Russia) points

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== External Links ==

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== Suspension ==

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Casamayor tested positive for marijuana following his November 2011 bout with [[WBO]] Light Welterweight Champion [[Timothy Bradley]]. For the offense, the [[Nevada State Athletic Commission]] revoked Casamayor's license for one year and fined him $10,000.[http://www.hattonboxing.com/tv/news/casamayor-has-license-suspended-after-failed-drug-test]